POSIX specifies that the parameters of memcpy()
shall be 'restrict'. Glibc uses 'restrict' too.
Let's use it here too.
It's especially important in memcpy(),
as it's been a historical source of bugs.
......
.../glibc$ grep_glibc_prototype memcpy
posix/regex_internal.h:746:
{
memcpy (dest, src, sizeof (bitset_t));
string/string.h:43:
extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
size_t __n) __THROW __nonnull ((1, 2));
.../glibc$
Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>
---
man3/memcpy.3 | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/man3/memcpy.3 b/man3/memcpy.3
index 523465ae8..369f9f9d0 100644
--- a/man3/memcpy.3
+++ b/man3/memcpy.3
@@ -35,7 +35,8 @@ memcpy \- copy memory area
.nf
.B #include <string.h>
.PP
-.BI "void *memcpy(void *" dest ", const void *" src ", size_t " n );
+.BI "void *memcpy(void *restrict " dest ", const void *restrict " src \
+", size_t " n );
.fi
.SH DESCRIPTION
The
--
2.30.1.721.g45526154a5
